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(11)

EP 2 826 282 A1

(12)

(43) Date of publication: 21.01.2015 Bulletin 2015/04 (21) Application number: 12714847.6 (22) Date of filing: 15.03.2012

(51) International Patent Classification (IPC):  H04W 24/10(2009.01) (86) International application number: PCT/IB2012/051230 (87) International publication number: WO 2013/136127 (19.09.2013 Gazette 2013/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Nokia Corporation 02610 Espoo (FI)	(72) Inventors: WIROLA, Lauri Aarne Johannes FI-33580 Tampere (FI) LAINE, Tommi Antero FI-33560 Tampere (FI) SYRJÄRINNE, Jari FI-33700 Tampere (FI) (74) Representative: Nokia Corporation  Intellectual Property Department Karakaari 7 02610 Espoo 02610 Espoo (FI)